composite spring has two close coiled helical springs connected in parallel and compressed between two parallel plates by a load of 1000 N. Each spring has 10 coils and is of the same initial length. The springs have a wire diameter of 10 mm, and the radii of coils are 50 and 75 mm. If the smaller spring is placed inside the larger one such that both the springs are compressed by the same amount, calculate: a) The total deflection, and b) The maximum stress in each spring.                          Take G = 40 GPa for both the springs

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The column is described as a vertical member of the structure that carries an axial compressive load, and buckling is a lateral deformation of the column under the application of load.